DR. JESSICA LEE IWALANI JOHNS M.D.
NPI 1841634342
Obstetrics & Gynecology in Walnut Creek, CA
About Dr. Jessica Lee Iwalani Johns M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JESSICA LEE IWALANI JOHNS M.D. (NPI 1841634342) is an individual obstetrics & gynecology provider in Walnut Creek, California, licensed in California (A149466) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Kapiolani Medical Center For Women & Children, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jessica Lee Iwalani Johns M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jessica Johns reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 262 clinicians in this Medicare group
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 370 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kapiolani Medical Center For Women & Children
Childrens · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94597 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
WALNUT CREEK, CA 94597
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jessica Johns's NPI number?
The NPI number for Jessica Johns is 1841634342. It was assigned to this individual provider in the NPPES registry on April 26, 2013.
Where is Jessica Johns located?
Jessica Johns practices at 1450 Treat Blvd # 200, Walnut Creek, CA 94597. The listed phone number is (925) 254-9840.
What is Jessica Johns's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Jessica Johns enrolled in Medicare?
Yes. Jessica Johns is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jessica Johns's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Johns reassigns Medicare benefits to 3 organizations: Kapiolani Medical Center For Women & Children (Honolulu, HI), Kapiolani Medical Specialists (Honolulu, HI) and Straub Clinic & Hospital (Honolulu, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jessica Johns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jessica Johns accept?
Health plans from HMSA list Jessica Johns as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jessica Johns affiliated with any hospitals?
According to CMS data, Jessica Johns is affiliated with Kapiolani Medical Center For Women & Children.
When was this NPI record last updated?
The NPPES record for Jessica Johns was last updated on September 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jessica Lee Iwalani Johns, M.D. · NPI 1841634342
Obstetrics & Gynecology physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since April 26, 2013.
## Identity
- **NPI:** 1841634342 (Entity type: Individual)
- **Enumerated:** April 26, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A149466 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1450 TREAT BLVD # 200, Walnut Creek, CA 94597
- **Phone:** (925) 254-9840
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Kapiolani Medical Center For Women & Children (NPI 1548215692, Honolulu, HI); Kapiolani Medical Specialists (NPI 1124071014, Honolulu, HI); Straub Clinic & Hospital (NPI 1457306508, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** September 26, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1841634342) · Data from the CMS NPPES public registry.